CN112917377B - Pneumatic type part inner hole high-finish grinding machine - Google Patents
Pneumatic type part inner hole high-finish grinding machine Download PDFInfo
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- CN112917377B CN112917377B CN202110099743.9A CN202110099743A CN112917377B CN 112917377 B CN112917377 B CN 112917377B CN 202110099743 A CN202110099743 A CN 202110099743A CN 112917377 B CN112917377 B CN 112917377B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/02—Lapping machines or devices; Accessories designed for working surfaces of revolution
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/14—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by liquid or gas pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/16—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses a pneumatic type part inner hole high-finish grinding machine, and belongs to the field of machining. The device includes: the method comprises the following steps: a slide base; the grinding shaft is provided with a grinding head at one end and used for grinding the inner hole of the workpiece, and the tail end of the grinding shaft is coaxially and fixedly connected with a driving shaft; the driving device comprises a driving motor, a driving gear and a driving rack, the driving rack is fixedly arranged on the driving shaft, the driving motor is used for driving the driving gear to rotate, the driving gear is matched with the driving rack, and the driving shaft is slidably arranged on the sliding seat. The driving motor drives the driving shaft to move, the driving shaft drives the grinding shaft to move forwards in the moving process, and the grinding shaft grinds the inner hole in the forwards moving process; the device has simple structure and low single machine cost, does not need complex control process, only needs to clamp the workpiece, and can effectively improve the processing efficiency.
Description
Technical Field
The invention relates to the field of machining, in particular to a pneumatic type high-finish-degree grinding machine for inner holes of parts.
Background
In the field of product processing, processing inner holes of products is a common processing mode. For some precision parts, the precision size and the surface roughness of the inner hole are all required to be higher. Usually, for external dimensions, such as the outer diameter of a rod or a component, which are easy to machine, dimensional accuracy can be effectively ensured by a grinding machine. However, for the inner hole, feeding is inconvenient to control, and the machining allowance is small, so that the product is unqualified easily due to the problems of improper feeding control, residual burrs after machining and the like during finish machining. The traditional equipment such as through hole grinding machine, hole burnishing machine, the unit is with high costs, and the operating efficiency is lower. To the accurate part of minor diameter, also require higher to the precision of grinding the axle, grind the axle and diminish in the back diameter of grinding, need often change the grinding axle so that can guarantee the machining dimension, lead to batch production cost on the high side, production efficiency is lower.
Disclosure of Invention
The invention provides a pneumatic type high-finish grinding machine for inner holes of parts, which can solve the problems of high processing cost and low processing efficiency in the polishing processing of the inner holes of straight holes in the prior art.
A pneumatic type grinder for high-finish inner holes of parts comprises:
a slide base;
the grinding shaft is provided with a grinding head at one end and used for grinding the inner hole of the workpiece, and the tail end of the grinding shaft is coaxially and fixedly connected with a driving shaft;
the driving device comprises a driving motor, a driving gear and a driving rack, the driving rack is fixedly arranged on the driving shaft, the driving motor is used for driving the driving gear to rotate, the driving gear is matched with the driving rack, and the driving shaft can be slidably arranged on the sliding seat.
Preferably, the grinding shaft is provided with a grinding section, the grinding section comprises an escape section, a through detection section and a stop section, the diameter of the escape section is smaller than the diameter of the inner hole of the workpiece, the outer diameter of the through detection section is the lower limit value of the diameter of the inner hole of the workpiece, the outer diameter of the stop section is the upper limit value of the diameter of the inner hole of the workpiece, and the diameter of the escape section is smaller than the diameter of the escape section.
Preferably, the grinding machine further comprises a yielding spring, a grinding section is arranged on the grinding shaft and comprises a yielding section and a through detection sleeve, the through detection sleeve comprises a through detection section and a through stopping section, the diameter of the yielding section is smaller than that of an inner hole of a workpiece, the outer diameter of the through detection section is a lower limit value of the diameter of the inner hole of the workpiece, the outer diameter of the through stopping section is an upper limit value of the diameter of the inner hole of the workpiece, and the diameter of the yielding section is smaller than that of the through detection section;
the general inspection sleeve is slidably arranged on the grinding shaft, one end of the abdicating spring is fixedly connected to the general inspection sleeve, and the other end of the abdicating spring is fixedly connected to the grinding shaft.
Preferably, the grinding head includes supporting shoe, connecting rod, cushion and grinding bed, the supporting shoe passes through the connecting rod is connected to the one end of grinding axle, an inlet port has been seted up in the grinding axle, the inlet port has an intake pipe along the end external of the advancing direction of polishing, the cushion is the loop configuration, its both ends respectively sealing connection to grind axle with the supporting shoe, the outside cladding of cushion has the grinding bed, when aerifing in the inlet port, the cushion drives the grinding bed is followed the radial outside arch of grinding axle.
Preferably, the supporting block is provided with a pressure relief hole, and the axis of the pressure relief hole coincides with the axis of the grinding shaft.
Preferably, the grinding head is a grinding ring, the grinding ring comprises a ring body, a support shaft and a rotating blade, an air inlet hole is formed in the grinding shaft, an air inlet pipe is externally connected to the tail end of the air inlet hole in the forward direction of grinding, and the front end of the air inlet hole is of a hollow structure and used for enabling air to flow out; the rotating blade is positioned in the air inlet, the ring body is positioned on the outer side of the grinding shaft, the supporting shaft is rotatably arranged at the front end of the grinding shaft, the rotating blade is fixedly arranged at one end of the supporting shaft positioned in the air inlet, and the ring body is fixedly arranged at one end of the supporting shaft positioned on the outer side of the grinding shaft;
an inflation cavity is formed in the ring body, the cross section of the ring body is of a C-shaped structure, the ring body is provided with an opening end and a bottom wall opposite to the opening end, the opening end faces the grinding shaft, a discharge hole is formed in the bottom wall, and the area of the projection of the discharge hole in the axial direction of the grinding shaft is smaller than the area of the projection of the opening end in the axial direction of the grinding shaft;
the periphery of the ring body is hermetically coated with an annular elastic pad, one side of the elastic pad, which is far away from the ring body, is fixedly provided with a grinding layer, and when the air inlet is filled with air, the elastic pad drives the grinding layer to bulge outwards along the radial direction of the ring body;
when the air inlet is filled with air, the rotating blades drive the ring body to rotate under the action of airflow.
The invention provides a pneumatic type part inner hole high-finish grinding machine.A driving shaft is driven by a driving motor to move, the driving shaft drives a grinding shaft to move forwards in the moving process, and the grinding shaft grinds an inner hole in the forwards moving process; the device has simple structure and low single machine cost, does not need complex control process, only needs to clamp the workpiece, and can effectively improve the processing efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a pneumatic type part inner hole high-finish grinding machine provided by the invention;
FIG. 2 is a first schematic view of a grinding spindle;
FIG. 3 is a second schematic structural view of the grinding spindle;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a schematic view of the structure of FIG. 4 in partial section;
FIG. 6 is a partial enlarged view of FIG. 5 at B;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 8 is an enlarged view of a portion of FIG. 7 at C;
fig. 9 is a partially enlarged view of fig. 8 at D.
Description of reference numerals:
10 grinding the shaft; 101 a polishing head; 102 a trailing bit section; 103, a general detection section; 104 a stop-pass section; 105 a yielding spring; 11 driving the rack; 12 air inlet pipes; 13 driving the shaft; 14 a support block; 141 pressure relief holes; 20 driving a motor; 21 driving the gear; 30 a sliding seat; 40 grinding ring; 401 a pressure relief vent; 402 inflating the chamber; 403 resilient pads; 404 a polishing layer; 405 a connecting rod; 41 supporting the shaft; 42 blades.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
The first embodiment is as follows:
the first embodiment is as follows:
as shown in figures 1 and 4, the pneumatic type high-finish grinder for the inner holes of the parts, provided by the embodiment of the invention, comprises a sliding seat 30, a grinding shaft 10 and a driving device. One end of the grinding shaft 10 is provided with a grinding head 101 for grinding the inner hole of the workpiece, and the tail end of the grinding shaft is coaxially and fixedly connected with a driving shaft 13; the driving device comprises a driving motor 20, a driving gear 21 and a driving rack 11, the driving rack 11 is fixedly arranged on a driving shaft 13, the driving motor 20 is used for driving the driving gear 21 to rotate, the driving gear 21 is matched with the driving rack 11, and the driving shaft 13 is slidably arranged on the sliding seat 30.
When the grinding machine works, a workpiece is clamped, the grinding shaft 10 and the inner hole of the workpiece are coaxially arranged, the driving motor 20 is started, the driving motor 20 drives the driving gear 21 to rotate, the driving gear 21 drives the driving rack 11 to move, and the driving rack 11 drives the driving shaft 13 to further drive the grinding shaft 10 to move, so that the inner hole of the workpiece is ground. After the grinding shaft 10 penetrates through the inner hole, the driving motor 20 is controlled to rotate reversely, and the grinding shaft 10 is driven to return to the initial position.
Example two:
on the basis of the first embodiment, as shown in fig. 2, a grinding section is arranged on the grinding shaft 10, the grinding section includes a yielding section 102, a through-checking section 103, and a through-stopping section 104, the diameter of the yielding section 102 is smaller than the diameter of the inner hole of the workpiece, the outer diameter of the through-checking section 103 is a lower limit value of the diameter of the inner hole of the workpiece, the outer diameter of the through-stopping section 104 is an upper limit value of the diameter of the inner hole of the workpiece, and the diameter of the yielding section 102 is smaller than the diameter of the through-checking section 103. In the grinding process, if the grinding size exceeds the through inspection section 103, the through inspection section 103 can enter, which indicates that the size of the inner hole meets the requirement of a lower limit value; the grinding size is smaller than the stop-through section 104, and the stop-through section 104 cannot enter, so that the size of the inner hole meets the requirement of an upper limit value, and the grinding size and the stop-through section meet the requirement at the same time, so that the size is qualified. Thus, detection can be achieved without shutdown.
In another embodiment, as shown in fig. 3, the grinding shaft 10 further includes a yielding spring 105, a grinding section is provided on the grinding shaft 10, the grinding section includes a yielding section 102 and a through detection sleeve, the through detection sleeve includes a through detection section 103 and a through stop section 104, the diameter of the yielding section 102 is smaller than the diameter of the inner hole of the workpiece, the outer diameter of the through detection section 103 is a lower limit value of the diameter of the inner hole of the workpiece, the outer diameter of the through stop section 104 is an upper limit value of the diameter of the inner hole of the workpiece, and the diameter of the yielding section 102 is smaller than the diameter of the through detection section 103; the general inspection sleeve is slidably arranged on the grinding shaft 10, one end of the abdicating spring 105 is fixedly connected to the general inspection sleeve, and the other end is fixedly connected to the grinding shaft 10.
In operation, as the grinding continues, when the grinding shaft 10 moves axially, the pass-through section 103 can pass through and the pass-through section 104 cannot pass through, the machining is qualified. When the workpiece is not machined in place, only the motor needs to be controlled to rotate reversely, and reciprocating grinding is achieved. In order to avoid the damage caused by the interference of the stop-pass section 104 and/or the pass-through detection section 103 with the orifice, in the above scheme, the pass-through detection sleeve is slidably arranged on the grinding shaft 10 and is connected to the grinding shaft 10 through a spring, so that the pass-through detection sleeve can give way when touching the orifice, an operator has enough observation time, and the damage of the orifice is avoided.
Example three:
in the first or second embodiment, since the polishing head 101 with a fixed size is used for a plurality of times, the outer diameter of the polishing head 101 becomes smaller, thereby causing the bore diameter to be smaller, requiring frequent replacement of the polishing head 101, resulting in higher processing cost, therefore, in the present embodiment, as shown in fig. 5 and 6, the grinding head 101 includes a supporting block 14, a connecting rod 405, an elastic pad 403 and a grinding layer 404, the supporting block 14 is connected to one end of the grinding spindle 10 through the connecting rod 405, an air inlet hole is formed in the grinding spindle 10, an air inlet pipe 12 is externally connected to an end of the air inlet hole along the forward direction of grinding, as shown in fig. 6, the elastic pad 403 is in a ring structure, the two ends of the elastic pad 403 are respectively connected to the grinding shaft 10 and the supporting block 14 in a sealing manner, the outer side of the elastic pad 403 is wrapped with the grinding layer 404, and when the air inlet is filled with air, the elastic pad 403 drives the grinding layer 404 to protrude outwards along the radial direction of the grinding shaft 10.
During grinding, air is introduced through the air inlet hole, and the air is filled in the air inlet hole, so that the elastic pad 403 is pressed by air pressure to be protruded outwards to be abutted against the surface of the inner hole, and grinding is realized. Because the elastic margin of the elastic pad 403 is large, the elastic pad can deform through air pressure, so as to effectively compensate the grinding layer 404 which becomes thinner gradually, thereby effectively reducing the replacement frequency of the grinding head 101, and although the deformation of the elastic pad 403 is uncontrollable, the elastic pad can work in combination with a general detection sleeve, so that the detection without stopping can be realized, and the processing efficiency can be improved under the condition of having a large compensation margin.
Since the chips formed during grinding remain in the hole and the chips scratch the surface of the hole during grinding, thereby reducing the smoothness, in this embodiment, as shown in fig. 5, a pressure relief hole 141 is formed in the support block 14, and the axis of the pressure relief hole 141 coincides with the axis of the grinding shaft 10. The aperture of the pressure relief hole 141 is smaller than that of the intake hole. Therefore, although the pressure relief hole 141 will cause the airflow to flow out, the aperture of the pressure relief hole 141 is small, so that the air pressure in the air inlet can still be kept high, and the elastic pad 403 can effectively compensate.
Example four:
in another embodiment, as shown in fig. 7, 8 and 9, the grinding head 101 is a grinding ring 40, the grinding ring 40 includes a ring body, a supporting shaft 41 and a rotating blade 42, an air inlet hole is formed in the grinding shaft 10, an air inlet pipe 12 is externally connected to a tail end of the air inlet hole along a forward direction of grinding, and a front end of the air inlet hole is a hollow structure for allowing air to flow out; the rotating blades 42 are positioned in the air inlet holes, the ring body is positioned on the outer side of the grinding shaft 10, the supporting shaft 41 is rotatably arranged at the front end of the grinding shaft 10, the rotating blades 42 are fixedly arranged at one end of the supporting shaft 41 positioned in the air inlet holes, and the ring body is fixedly arranged at one end of the supporting shaft 41 positioned on the outer side of the grinding shaft 10;
an inflation cavity 402 is formed in the ring body, the cross section of the ring body is of a C-shaped structure, the ring body is provided with an opening end and a bottom wall opposite to the opening end, the opening end faces the grinding shaft 10, the bottom wall is provided with a drainage hole 401, and the area of the projection of the drainage hole 401 in the axial direction of the grinding shaft 10 is smaller than the area of the projection of the opening end in the axial direction of the grinding shaft 10, so that high pressure can be effectively formed in the inflation cavity 402;
the periphery of the ring body is hermetically covered with an annular elastic pad 403, one side of the elastic pad 403, which is far away from the ring body, is fixedly provided with a grinding layer 404, and when the air inlet is filled with air, the elastic pad 403 drives the grinding layer 404 to bulge outwards along the radial direction of the ring body;
when the inlet is inflated, the rotating blades 42 drive the ring body to rotate under the action of the airflow.
During operation, aerify through intake pipe 12, the air current passes through the inlet port, the fretwork position that sees through the inlet port front end gets into aerifys chamber 402, because the projected area of discharge orifice 401 is less than the area of ring body open end, consequently, the air input of air current is greater than the air output, thereby make and form atmospheric pressure in aerifing chamber 402, force cushion 403 to warp, drive wearing layer 404 contradicts on the lateral wall of hole, and the air current flow in-process, can drive blade 42 and rotate, blade 42 rotates and drives ring body and rotate and then drive wearing layer 404 and rotate, because grinding axle 10 itself has a rotation rate, the rotational speed of wearing layer 404 is grinding axle 10's rotational speed plus ring body's rotational speed, thereby realize high-speed grinding, improve grinding efficiency and effect.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any modifications that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (3)
1. A pneumatic type high-finish grinding machine for inner holes of parts is characterized by comprising:
a slide base;
the grinding shaft is provided with a grinding head at one end and used for grinding the inner hole of the workpiece, and the tail end of the grinding shaft is coaxially and fixedly connected with a driving shaft;
the driving device comprises a driving motor, a driving gear and a driving rack, the driving rack is fixedly arranged on the driving shaft, the driving motor is used for driving the driving gear to rotate, the driving gear is matched with the driving rack, and the driving shaft is slidably arranged on the sliding seat;
the grinding head is a grinding ring, the grinding ring comprises a ring body, a supporting shaft and rotating blades, an air inlet hole is formed in the grinding shaft, the tail end of the air inlet hole in the forward grinding direction is externally connected with an air inlet pipe, and the front end of the air inlet hole is of a hollow structure and used for enabling air to flow out; the rotating blade is positioned in the air inlet, the ring body is positioned on the outer side of the grinding shaft, the supporting shaft is rotatably arranged at the front end of the grinding shaft, the rotating blade is fixedly arranged at one end of the supporting shaft positioned in the air inlet, and the ring body is fixedly arranged at one end of the supporting shaft positioned on the outer side of the grinding shaft;
an inflation cavity is formed in the ring body, the cross section of the ring body is of a C-shaped structure, the ring body is provided with an opening end and a bottom wall opposite to the opening end, the opening end faces the grinding shaft, a discharge hole is formed in the bottom wall, and the area of the projection of the discharge hole in the axial direction of the grinding shaft is smaller than the area of the projection of the opening end in the axial direction of the grinding shaft;
the periphery of the ring body is hermetically wrapped with an annular elastic pad, one side of the elastic pad, which is far away from the ring body, is fixedly provided with a grinding layer, and when the air inlet is filled with air, the elastic pad drives the grinding layer to bulge outwards along the radial direction of the ring body;
when the air inlet is filled with air, the rotating blades drive the ring body to rotate under the action of airflow.
2. The pneumatic grinding machine for the high smoothness of the inner hole of the part as claimed in claim 1, wherein the grinding shaft is provided with a grinding section, the grinding section includes a relief section, a go-check section and a go-no section, the diameter of the relief section is smaller than the diameter of the inner hole of the workpiece, the outer diameter of the go-check section is the lower limit value of the diameter of the inner hole of the workpiece, the outer diameter of the go-no section is the upper limit value of the diameter of the inner hole of the workpiece, and the diameter of the relief section is smaller than the diameter of the go-check section.
3. The pneumatic type part inner hole high-finish grinding machine according to claim 1, further comprising a abdicating spring, wherein a grinding section is arranged on the grinding shaft, the grinding section comprises an abdicating section and a through detection sleeve, the through detection sleeve comprises an open detection section and an open stop section, the diameter of the abdicating section is smaller than the diameter of a workpiece inner hole, the outer diameter of the open detection section is a lower limit value of the diameter of the workpiece inner hole, the outer diameter of the open stop section is an upper limit value of the diameter of the workpiece inner hole, and the diameter of the abdicating section is smaller than the diameter of the open detection section;
the general inspection sleeve is slidably arranged on the grinding shaft, one end of the abdicating spring is fixedly connected to the general inspection sleeve, and the other end of the abdicating spring is fixedly connected to the grinding shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110099743.9A CN112917377B (en) | 2021-01-25 | 2021-01-25 | Pneumatic type part inner hole high-finish grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110099743.9A CN112917377B (en) | 2021-01-25 | 2021-01-25 | Pneumatic type part inner hole high-finish grinding machine |
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| Publication Number | Publication Date |
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| CN112917377A CN112917377A (en) | 2021-06-08 |
| CN112917377B true CN112917377B (en) | 2022-09-27 |
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| CN202110099743.9A Active CN112917377B (en) | 2021-01-25 | 2021-01-25 | Pneumatic type part inner hole high-finish grinding machine |
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| CN103213060A (en) * | 2013-03-29 | 2013-07-24 | 常熟市中钛科技有限公司 | Titanium metal tube inner hole polishing device |
| CN108544311A (en) * | 2018-06-21 | 2018-09-18 | 宁波高新区起兴机电有限公司 | A kind of short tube inner wall grinding device |
| CN109483384A (en) * | 2018-12-27 | 2019-03-19 | 重庆亿普机电有限公司 | Tubular member process equipment |
| CN210132378U (en) * | 2019-05-31 | 2020-03-10 | 河北天创管业有限公司 | Inside and outside wall rust cleaning device of high frequency welded tube |
| CN111230653A (en) * | 2020-02-03 | 2020-06-05 | 天津大学 | Novel wheeled gasbag polishing device |
| CN111283486A (en) * | 2020-05-11 | 2020-06-16 | 烟台工程职业技术学院(烟台市技师学院) | Processing and grinding device for automobile cylinder sleeve |
| CN211760696U (en) * | 2019-12-28 | 2020-10-27 | 常熟华新特殊钢有限公司 | Polishing device in small-caliber steel pipe |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8366519B2 (en) * | 2009-03-16 | 2013-02-05 | Honda Motor Co., Ltd. | Inner surface grinding tool |
| CN104827381B (en) * | 2015-05-25 | 2017-08-29 | 鹰普航空零部件（无锡）有限公司 | Multiaxis autogenous mill |
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2021
- 2021-01-25 CN CN202110099743.9A patent/CN112917377B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213060A (en) * | 2013-03-29 | 2013-07-24 | 常熟市中钛科技有限公司 | Titanium metal tube inner hole polishing device |
| CN108544311A (en) * | 2018-06-21 | 2018-09-18 | 宁波高新区起兴机电有限公司 | A kind of short tube inner wall grinding device |
| CN109483384A (en) * | 2018-12-27 | 2019-03-19 | 重庆亿普机电有限公司 | Tubular member process equipment |
| CN210132378U (en) * | 2019-05-31 | 2020-03-10 | 河北天创管业有限公司 | Inside and outside wall rust cleaning device of high frequency welded tube |
| CN211760696U (en) * | 2019-12-28 | 2020-10-27 | 常熟华新特殊钢有限公司 | Polishing device in small-caliber steel pipe |
| CN111230653A (en) * | 2020-02-03 | 2020-06-05 | 天津大学 | Novel wheeled gasbag polishing device |
| CN111283486A (en) * | 2020-05-11 | 2020-06-16 | 烟台工程职业技术学院(烟台市技师学院) | Processing and grinding device for automobile cylinder sleeve |
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| Publication number | Publication date |
|---|---|
| CN112917377A (en) | 2021-06-08 |
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